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DateTimeFormatInfo.FullDateTimePattern Property

Gets or sets the custom format string for a long date and long time value.

Namespace:  System.Globalization
Assemblies:   System.Globalization (in System.Globalization.dll)
  mscorlib (in mscorlib.dll)

public string FullDateTimePattern { get; set; }

Property Value

Type: System.String
The custom format string for a long date and long time value.

ExceptionCondition
ArgumentNullException

The property is being set to null.

InvalidOperationException

The property is being set and the DateTimeFormatInfo object is read-only.

The "F" standard format string is an alias for the FullDateTimePattern property. In other words, the custom format string assigned to this property defines the format of the result string for the "F" standard format string. For more information, see Standard Date and Time Format Strings.

The value of the FullDateTimePattern property is generated dynamically by concatenating the LongDatePattern and LongTimePattern properties separated by a space. This dynamic assignment occurs under the following conditions:

  • If the property value is retrieved before it has been explicitly set.

  • When the value of the LongDatePattern property changes.

  • When the value of the LongTimePattern property changes.

This property is affected if the value of the Calendar property changes.

The following example displays the value of FullDateTimePattern for a few cultures.

using System;
using System.Globalization;


public class SamplesDTFI  {

   public static void Main()  {

      // Displays the values of the pattern properties.
      Console.WriteLine( " CULTURE    PROPERTY VALUE" );
      PrintPattern( "en-US" );
      PrintPattern( "ja-JP" );
      PrintPattern( "fr-FR" );

   }

   public static void PrintPattern( String myCulture )  {

      DateTimeFormatInfo myDTFI = new CultureInfo( myCulture, false ).DateTimeFormat;
      Console.WriteLine( "  {0}     {1}", myCulture, myDTFI.FullDateTimePattern );

   }

}

/*
This code produces the following output.  The question marks take the place of native script characters.

 CULTURE    PROPERTY VALUE
  en-US     dddd, MMMM dd, yyyy h:mm:ss tt
  ja-JP     yyyy'?'M'?'d'?' H:mm:ss
  fr-FR     dddd d MMMM yyyy HH:mm:ss

*/

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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